The Volumes Pins and Buttons
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Description: Rendered on a deep dark background, this artwork presents three equal boxes of hydrogen, nitrogen and oxygen molecules, each holding the same number of molecules, above the Avogadro constant N_A = 6.022 × 10²³ mol⁻¹. In 1811 Amedeo Avogadro proposed that equal volumes of gas at the same temperature and pressure contain the same number of molecules. The Avogadro constant defines the mole, the chemist's unit of amount. A gift idea for chemists, chemistry students and science teachers, and a fitting piece for a lab, study or office wall.
Avogadro's Number 6.022 x 10^23 and the Mole, Equal Gas Volumes Diagram Pin
by Science Design
$2.75 $3.25
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